EP1926930A1 - Kupplungseinrichtung zum verbinden von leitungseinrichtungen, vorzugsweise quick connector - Google Patents
Kupplungseinrichtung zum verbinden von leitungseinrichtungen, vorzugsweise quick connectorInfo
- Publication number
- EP1926930A1 EP1926930A1 EP05785255A EP05785255A EP1926930A1 EP 1926930 A1 EP1926930 A1 EP 1926930A1 EP 05785255 A EP05785255 A EP 05785255A EP 05785255 A EP05785255 A EP 05785255A EP 1926930 A1 EP1926930 A1 EP 1926930A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- devices according
- valve body
- coupling device
- connecting line
- coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
Definitions
- Coupling device for connecting line devices preferably Quick Connector
- the invention relates to a coupling device for connecting conduit devices, preferably a quick connector, with a coupling housing, which has a connecting device, which is connectable to an end portion of a conduit means o- a second connection means, and a valve body, which in merging the end portion of Conduit or the second connection means with the clutch housing from a closed position to an open position can be transferred, according to the preamble of claim 1.
- Such coupling devices are known, inter alia, as self-closing quick couplings for liquid and gas lines of the prior art in various embodiments and are e.g. used in automotive engineering.
- DE 10048502 C1 shows a plug-in connection with automatically closing discharge stop, consisting of a cylindrical receiving housing with an opening for insertion of a tubular male part, which is provided with a circumferential mounting collar, which can be latched in a arranged in the insertion region of the receiving housing locking element.
- a valve body is arranged, through which the flow space is automatically closed and pressed upon insertion of the male part of the end face against the force of a coil spring in an open position.
- US 5,485,982A discloses a quick connector having a housing with a receiving opening for inserting a conduit end with a circumferential mounting collar which is latchable by means of retaining springs within the receiving opening of the housing and actuates a closure valve within the housing, the enables the flow in both directions after insertion of the pipe end piece. Furthermore, US Pat. No. 5,485,982A shows a quick connector which is designed as an angle connector and has a bent connection tube.
- connectors are constructed in terms of their functional sections, the connecting portion and the valve portion rigid and linear and claim in particular in the insertion a considerable amount of space, which is primarily important for angled connectors of importance.
- the invention is therefore an object of the invention to provide a coupling device for connecting conduit means, preferably Quick Connector, with valve device according to the preamble of claim 1, which takes into account such design requirements and - especially in installation direction - particularly compact and in terms of their geometry and design allows flexibly to constructive requirements and installation conditions customizable coupling device.
- a coupling device for connecting conduit means preferably a quick connector whose valve body is actuated by means of a Kraftumlenkungs founded by merging the end portion of the conduit means or the second connection means with the clutch housing.
- One advantage of the invention lies in the possibility of changing the direction of flow within the section arranged between the coupling section and the valve section, which enables a particularly compact design of the connection device.
- the construction according to the invention allows a particularly flexible adaptation of the coupling device to narrow and angular installation situations. Under such conditions, it is usually advantageous that the coupling device according to the invention can be made particularly compact in the connecting direction.
- Another advantage of the coupling device according to the invention lies in the possibility of the spatial separation of coupling and locking point of the connection and valve section, which is an added security, but can also be used for constructive optimization, for example, the flow resistance, since the valve unit is not following the connecting portion must be accommodated and thus displaced and aerodynamically designed or laid to a less vulnerable place. It would also be conceivable to manufacture by the geometric design of the coupling device or the choice of material, a coupling device with outsourced valve unit, which performs a deformation-induced or temperature-induced self-closing in the event of an accident or engine room fire and interrupts the fuel supply. Another advantage is that the coupling device according to the invention can be designed to be flexible in a section between the connection region and the valve region, which, among other things, can considerably facilitate installation.
- the coupling housing may have a receptacle into which the end portion of the conduit device can be inserted and fastened in the inserted position and the valve body is preferably self-closing and by means of Kraftumlenkungs noticed by inserting the end portion of the conduit means in the Opening position can be transferred, resulting in a particularly compact and convenient for many installation requirements embodiment in which all the moving components are compact in the coupling device can be achieved achieve.
- the coupling housing may have an angled or curved flow channel.
- the connector side axis and the valve side axis of the coupling device may be at an angle to each other and the two axes preferably include a 90 ° angle.
- This geometry is suitable, inter alia, for typical angle plug-in connections, in which the conductor device, e.g. be guided along an object oriented perpendicular to the insertion along or should project as little as possible into the installation space.
- the coupling housing of the coupling device between the connecting portion and the valve portion may include a flexible portion, and the connector-side axis and the valve-side axis of the coupling device may be mutually pivotable and / or displaceable.
- the force deflection device may have a pressure transmission device, which allows a mechanically and structurally particularly easy to implement and reliable deflection and use of the insertion force for actuating the valve device.
- the pressure transmission device can be made flexible at least in sections, whereby a high degree of flexibility for strong changes in direction and / or narrow radii of curvature can be achieved in the surrounding region, while, for example, in straight sections, for example in the valve and / or connection region the coupling device rigid sections can be used in the pressure transmission device.
- the pressure transmission device may be arranged in the lumen of the flow passage of the coupling housing and in the flow path between the connecting portion for the end portion of the conduit means or the second connecting means and the valve body.
- the pressure transmission device can be hollow and flow-through inside, which allows a simple and streamlined construction of the coupling device.
- the pressure transmission device may include an at least partially flexible thrust deflection device.
- the pressure transmission device can be structurally optimized particularly well be, since only in the areas in which the force vector is to be deflected, adapted to the mechanical requirements Schubumlenkungsein- direction can be used in an otherwise eg rigid pressure transmission device.
- the thrust deflection device may comprise a metallic material, whereby typically good values with regard to incompressibility and thus pressure transmission can be achieved with good flexibility properties at the same time, depending on the type of construction.
- the thrust deflector may include a plurality of wires or filaments, which provides a simple way of achieving the necessary flexibility of the thrust deflector.
- the thrust deflection device may comprise a vitreous or ceramic material, whereby the thrust deflection device can be made particularly incompressible and resistant to temperature and aggressive chemicals.
- the thrust deflecting device can have a sliding and / or protective coating, which can significantly improve, for example, the sliding properties and / or the resistance to media.
- the thrust deflection device in the axial direction may comprise a plurality of abutting shear part elements, which significantly increases the flexibility.
- the thrust part elements may be substantially annular or toroidal or substantially spherical or ellipsoidal in shape and have at least one flow channel.
- the thrust deflection device may comprise a polymeric material, preferably a thermoplastic, a thermoplastic elastomer or an elastomer.
- a polymeric material preferably a thermoplastic, a thermoplastic elastomer or an elastomer.
- the pressure transmission device may be formed integrally with the thrust deflection device, which can significantly reduce manufacturing costs and costs.
- the thrust deflection device can comprise stabilizing devices made of a metallic or polymeric material, preferably of a metallic material, which are preferably intended to absorb axial tensile and / or compressive forces.
- a thrust deflector of a polymeric material can be further improved by combining e.g. a particularly flexible, the outer structure of the Schubumlenkungs adopted predetermining material with a particularly tensile and / or pressure-resistant second metallic or polymeric material, the insert properties are improved.
- the stabilization device can contain spacing elements for pressure absorption and / or bending limitation.
- a particularly flexible or soft thrust deflection device for example made of a polymer material, which is stabilized against radial deformation, for example by ring elements arranged at a small distance from each other, and which at the same time may be produced under certain circumstances. possible to limit the bending of the thrust deflector device when the stabilizers abut one another on the inside of the bend.
- the thrust deflection device may comprise a helical spring-like element, preferably of a metallic or polymeric material, whose turns are intended to bear pressure against one another, whereby a structurally very simple thrust deflection device can be realized.
- the pressure transmission device at least in sections, have a flexible, rigid rigid cylinder whose diameter is preferably smaller than the radius of the flow channel, and preferably from three to eight, in radial planes and circumferentially equally spaced support arranged
- the main element of the pressure-transmitting element can be arranged in the region of the central axis of the flow channel under stress of only a small proportion of the cross-sectional area of the flow channel and stabilized by the support and stabilizing ribs and before radial deflection by evasive movements Protect during power transmission, the space around the shear-resistant solid cylinder can be used to flow through.
- the thrust deflecting means may comprise transversely guided notches which preferably run towards the center line from one generating line or two mutually diametrically opposed generatrix lines and are preferably designed as V-shaped notches, whereby the flexibility can increase significantly.
- V-shaped notches arranged on the inside of the bend it is possible to limit the radius of curvature in the minimum direction to the value which is predetermined by the collision of the notch flanks which are executed in V-shape.
- the pressure transmission device may comprise support means which are supportable against the inner wall of the flow channel of the coupling housing. This can stabilize the Pressure transmission device with respect to the center axis of the flow channel ensures and a deflection of the pressure deflection device in the case of transmission of tensile and compressive forces can be reduced.
- the support means may comprise the pressure transmission device surrounding sliding elements, preferably slip rings, whereby the support of the pressure transmission device within the flow channel can be made particularly simple.
- the support means may comprise sliding sections, sliding spacer sections or sliding guide sections, which are integrally formed on the pressure transmission device and slidingly abuttable on the inner wall of the flow passage of the coupling housing or particular, in particular groove-like, sections thereof and which the Reibungsreduzie- ' ⁇ tion, serve spacing, path limitation and / or rotation.
- the cavity section of the throughflow channel of the coupling housing which encloses the pressure transmission device may comprise on its inner wall sliding elements, sliding spacers or sliding guide elements which are connected to the pressure transmission device or to devices connected thereto or special, in particular groove-like, Sections of the same are slidably abuttable and friction reduction, Spacing, path limitation and / or rotation lock serve.
- an injection molded part for example of a polymeric material as a pressure transmission device
- sliding elements could also limit the axial travel of the pressure transmission device and / or prevent rotation of the pressure transmission device within the flow channel as a rotation lock, if they engage as sliding guide elements, for example in groove sections of the pressure transmission device.
- the coupling device may comprise a stop means for the end portion of the conduit means or the second connection means which is engageable and displaceable with the end portion of the conduit means or the second connecting portion upon mating thereof with the coupling housing with the latter and when connecting the end portion of the conduit means or the second connection means with the coupling housing between the end portion of the conduit means or the second connection means and the pressure transmission means may be arranged.
- abutment means can advantageously the contact area to the end portion of the conduit means or the second connection means are structurally improved and so the force when merging the end portion of the conduit means or the second connection means with the coupling housing are transmitted to the pressure transmission device particularly secure and reliable, wherein at the same time Pressure transmission device is protected from damage and wear.
- the stop device may have an axial central opening, which is preferably connected to the opening of a hollow pressure Transmission device is arranged in alignment, which can be achieved in a simple manner, a particularly streamlined design.
- the stop means may have one to eight, preferably three or four, radially arranged ribs or webs which are distributed equidistant over the circumference and which can be supported on the inner wall of the coupling housing and / or in guide means of the inner wall of the coupling housing ,
- the stop device umströmbar while providing a large flow area constructive.
- such an abutment device can be adapted to a similarly configured in cross-section pressure transmission device with corresponding support and stabilizing ribs.
- the Schubumlenkungs may have resilient properties and be provided to urge the valve body in the closing direction thereof with a restoring force and the valve body upon removal of the end portion of the conduit means or the second connection means from the connection region of the coupling housing from the open position in the to transfer closed position.
- This could be achieved, for example, by a thrust reverser consisting of a metallic or polymeric material of high elasticity, thereby acting as a spring element and, for example, by suitable contact areas within the flow channel against which the thrust deflector is supported via the return strut of the spring element to its original shape cause a return movement of the valve body.
- the thrust deflection device for example, to design the thrust deflection device as a leaf spring or helical spring or to integrate such a spring into the thrust deflection device.
- the thrust deflection device By the here proposed resilient design of the thrust reverser device, the aforementioned function can be ensured without the use of other components.
- the coupling device may comprise a return device, which acts on the valve body in the closing direction of the same with a restoring force and is provided, the valve body upon removal of the end portion of the conduit means or the second connection means from the connection region of the coupling housing from the open position in the to transfer closed position.
- a return device which acts on the valve body in the closing direction of the same with a restoring force and is provided, the valve body upon removal of the end portion of the conduit means or the second connection means from the connection region of the coupling housing from the open position in the to transfer closed position.
- the restoring device may have a helical spring, resulting in a large return travel and a particularly space-efficient installation with good placement.
- the helical spring within the modus of the coupling housing and at least predominantly be arranged in a section in the flow passage between the connecting portion of the coupling housing for the end portion of the conduit means or the second connection means and the valve body, preferably in the closing direction of the valve body the valve body and adjacent thereto, be arranged.
- the helical spring within the flow channel of the coupling housing, at least portions of the pressure transmission device enclosing be arranged between the inner wall of the coupling housing and the pressure transmission device.
- the coil spring may be a tension spring, resulting in a universal design possibility for the provision of the valve body, regardless of the construction of the pressure transmission device.
- the helical spring can be a compression spring and can be clamped between a stop element that is axially spaced and axially spaced relative to this stop element in the flow direction on the valve body, the valve body passing through the pressure transmission device Train in the closing direction can be transferred and the compression spring when merging the end portion of the conduit means with the second connection means with the clutch housing to be pressure-loaded.
- the housing-side support of the compression spring can be arranged adjacent to the valve seat.
- the pressure spring between the connecting portion and the valve portion can be arranged in the immediate vicinity of the valve seat and so displaced away from the connecting portion, whereby the coupling device can be kept particularly compact in the insertion direction and at the same time the pressure transmission device can be stabilized.
- the valve body can be constructed in one piece and rigid, which makes it particularly easy to manufacture and is very robust.
- valve body made of a polymeric, metallic, glassy or ceramic material, whereby the valve body can be adapted within wide limits to the operating conditions, can be produced according to the structural specifications.
- valve body may comprise a substantially disc-shaped, conical, paraboloidal, pear-shaped or mushroom-shaped section which can be brought into contact with the valve seat.
- valve body may have at least one ring seal, which improves the tightness of the valve body relative to the valve seat and ensures more design freedom for the design of the valve seat.
- the valve body may comprise movable sector devices which have sealing edges or sealing surfaces over which a sealing contact of the sector device to adjacent sealing edges or sealing surfaces can be produced in a closed state, these sector devices at least in sections when the valve body is transferred to the open position can be removed in the radial direction from the central axis and release a flow cross-section.
- movable sector devices which have sealing edges or sealing surfaces over which a sealing contact of the sector device to adjacent sealing edges or sealing surfaces can be produced in a closed state, these sector devices at least in sections when the valve body is transferred to the open position can be removed in the radial direction from the central axis and release a flow cross-section.
- a sealing contact between the sealing edges or sealing surfaces of adjacent sector devices can be produced in the closed state and the adjacent in the closed state sealing edges or sealing surfaces adjacent sector devices can at least partially in the circumferential direction from each other when transferring the valve body in the open position remove.
- the opening-side portion of the valve body can open the maximum.
- valve body with a plurality of sector devices in the closed state can be sealingly engageable with an outer contour of the valve body with the valve seat, whereby simultaneously with the closing of the sealing edges, or sealing surfaces of the sector devices achieve a tight fit of the closed valve body in the valve seat leaves.
- valve body may be hollow, wherein the valve body in the closed state, a closed mold in the direction of an opening end having an opening in the direction of a non-opening end of the valve body, and form its sector means sealing edges, by the closed state a sealing contact between the sector devices can be produced.
- the sector devices may be movable relative to a valve seat in the axial direction, wherein the sector devices are radially movable toward each other by pushing against the valve seat and are closed by removal from the valve seat.
- the sector means of the valve body may be closable by pulling the valve body into the valve seat, whereby the double-closing movement sealingly engaging the sealing edges of the sector devices in sealing contact and the valve body with the valve seat becomes particularly simple and efficient can be coupled with the movement of the force deflection device.
- valve body can be connectable to the pressure transmission device, by means of which the valve body is movable relative to the valve seat.
- the valve body and the pressure transmitting device which may be made in one piece or in several parts, thus providing a simple and reliable construction.
- the rotationally symmetrical or polyhedral, axisymmetric valve body may have a transversal equatorial plane in which its transverse section forms a surface maximum, from which the valve body tapers in the closing direction substantially conically.
- the valve body may comprise at least one base element, on which the sector devices are articulated.
- the sector devices can be connected to the basic element of the valve body by means of hinges, preferably foil hinge or bending sections, and the valve body can preferably be formed in one piece.
- hinges preferably foil hinge or bending sections
- the valve body can preferably be formed in one piece.
- the valve body can have different materials in sections and can preferably be produced in a multi-component molding process. This can be done in particular by multi-component injection molding process, multi-component injection compression molding process, or corresponding sintering process, coextrusion, coating or laminating. This allows the valve body to u.a. the different mechanical requirements of the various functional sections are optimally adapted, whereby such a valve body is particularly suitable, especially for increased requirements. For example, it is also conceivable to provide the valve body with lubricious or abrasion-resistant coatings or flexurally resistant laminations or to provide movable or sealing sections with materials which are particularly suitable for meeting the specific requirements.
- valve body in the Anschungs- and bending region of the sector devices compared to the adjoining areas of the valve body have a material of higher elasticity and / or lower modulus of elasticity, whereby this range can be particularly adapted to the bending stress in valve operation.
- the valve body may have a sealing material in the region of the sealing edges of the sector devices. In this way, for example, particularly reliable sealing, adaptable, flexible, mediophobic with respect to the valve area flowing through media and / or wear-resistant sealing areas between the sector devices can be created.
- the valve body may have a sealing material in the valve seat portion of the sector means. In this way, for example, a particularly reliable sealing, adaptable, flexible, mediophobic compared to the media flowing through the valve area and / or wear-resistant sealing area between the valve body and the valve seat can be created.
- the sector devices can be biased in the open position, whereby a reliable and maximum opening of the sector devices and thus the release of the full flow cross-section, regardless of pressure and flow conditions on both sides of the valve device can be ensured.
- the bending sections may preferably have a three-dimensional shape, wherein the material elasticity for the bias of the sector devices is exploitable.
- valve body can be surrounded in the radial direction by a protective sleeve, wherein the latter preferably completely surrounds the valve body in the radial direction at least in its closed state.
- a protective sleeve which is formed integrally with the housing, integrated in the valve side adjoining conduit means or separately and e.g. For maintenance of the housing separable connected to the same, it is possible to reliably protect the valve body from damage during installation or use.
- the protective sleeve with the coupling housing can be connected captive and preferably formed integrally with this.
- a loss and possibly also unintentional release of the protective sleeve during assembly and use can be reliably avoided. This can be done by appropriate mechanical precautions take place, or- if a decrease in the protective sleeve, for example, during assembly and maintenance is not required, cheaper and easier - by a cohesive connection between the protective sleeve and coupling housing, which is most cost by a one-piece design of both aforementioned devices can be achieved.
- Figure 1 is a schematic representation of a median section in axial plane through a quick connector according to a first embodiment with uncoupled pipe socket and closed valve.
- FIG. 2 is a schematic representation of a median section in the axial plane through a quick connector according to a first embodiment with inserted conduit connection and open valve;
- FIG. 3 is a schematic representation of a median section in the axial plane through a quick connector according to a second embodiment with uncoupled conduit connection and closed valve;
- FIG. 4 shows the schematic representation of a median section in the axial plane through a quick connector according to a second embodiment with inserted conduit connection and open valve
- 5 shows the schematic detail of a median section in the axial plane through the valve region of a quick connector according to a second embodiment with inserted conduit connection and open valve.
- Fig. 1 shows a quick connector or a quick coupling according to a first embodiment with a coupling housing 1 for connecting a line end portion or a pipe end 2 with a circumferential circumferential mounting collar 3, in which the line end piece 2 is disconnected and the valve is in the closed position.
- the coupling housing 1 has a straight axis section, the insertion axis A1,. , on, the connection end side comprises the connecting portion 4, then in the insertion direction E, a curved portion which describes a 90 ° bend and the valve side in turn into a straight axis section, the valve axis A2, and ends in the valve portion 18.
- the clutch housing 1 is hollow ! and traversed by a flow channel 8, which is closed in the valve region (valve portion 18) by the valve body 17 in the closed position.
- the connecting portion 4 of the coupling housing 1 comprises a receiving opening 5 for axial insertion (in the direction of E) of the conduit 2 a conduit and a connecting device 6, through which the conduit 2 can be locked, and in the insertion direction E behind arranged sealing rings 7, by means of which mechanically locked conduit 2 hydraulically or pneumatically connected to the flow channel 8 and liquid and / or gas-tight relative to the environment can be completed.
- a flow-through in the axial direction stop ring 9 is arranged, which is connected to a pressure transmission device 10 in the manner of a pressure plunger.
- the pressure transmission device 10 in the manner of a plunger is in this case made of a flexible, media-resistant plastic and has in a adjacent to the stop ring 9 section for thrust reversing a flexible plunger section 11.
- this flexible tappet section 11 has transversely guided incisions on the outside of the curvature, which extend from the curvature-outside lateral surface line in the direction of the tappet center axis.
- the plunger 10 itself shows a three-wing profile in a transverse sectional plane B - B consisting of a central thrust cylinder 20 of small diameter, which consists of three support and stabilizing ribs 21 which are arranged equidistantly in radial planes and circumferentially spaced apart in the transverse sectional plane is surrounded by 120 ° rotations.
- Ventilend medicine direction V is followed by the flexible plunger portion 11, a rigid portion of the plunger 10 which carries a support means 12 which is supported on the one hand on the housing inner wall of the flow channel 8 and so stabilizes the plunger 10 and on the other hand as a stop element 13 for a compression spring 14 serves.
- the compression spring 14 is clamped between abovementioned stop member 13 and a valve seat 15 disposed adjacent housing-side support 16 and serves as a restoring device, which retracts the valve body 17 with disconnected conduit 2 in the valve seat 15 and thus closes the valve.
- the figure shows a protective sleeve 19, which encloses the valve portion 18 and thus protects the valve device against damage during assembly and operation.
- Fig. 2 shows the same embodiment as Fig. 1, but with inserted conduit 2 and the valve open.
- the embodiment in Fig. 2 in terms of its components Fig. 1, so that in order to avoid repetition, only differences will be discussed.
- Fig. 2 shows the pipe socket 2 in the locked position within the connecting portion 4 of the coupling housing 1, wherein connecting means 6 engage behind the mounting collar 3 of the pipe socket 2 and so arrest.
- the stopper 9 was in the insertion of the Leitu ⁇ gsstutzens 2 advanced in the direction E in comparison to the state shown in Fig. 1 and the pressure passed to the plunger 10 and this pushed further in the valve direction V.
- the stop member 13 in the direction of the housing-side support 16 for compression of the compression spring 14, which is clamped between the stop member 13 and the housing-side support 16.
- valve body 17 is lifted from the valve seat 15, whereby the flow channel 8 is opened at the valve and a medium can flow through.
- FIGS. 1 and 2 show schematic representations of a median section in the axial plane through a quick connector with uncoupled conduit connection and closed valve (FIG. 3) or schematic illustrations of a median section in the axial plane through a quick connector with plugged in conduit and open valve ( Figure 4) according to a second embodiment of the invention
- Fig. 5 is a partial view of Fig. 4 of the valve portion in the open position again and explains the function of the valve unit with flow-through valve body in more detail.
- This second embodiment corresponds in essential points to the first embodiment, wherein reference numerals and statements of the first embodiment also apply to the second embodiment. To avoid repetition, therefore, only differences and peculiarities of the second embodiment will be discussed.
- the second embodiment differs from the first embodiment by the construction of the valve unit.
- This consists instead of a one-piece rigid valve body 17 of a hollow valve body 17 through which, in the manner shown on its cylindrical base member 22 with three hinged thereto Sector means 24 in the closed state in the form of a truncated cone 26 which is seated with the pointed end on the cylindrical base member 22 and at the blunt end with a base, inversely arranged, ie mirrored on the cone base, cone 27 is connected.
- the outer shape formed by the sector devices 24 in the closed state is referred to in the following as a double-cone structure 26,27.
- This double-cone structure 26, 27 is divided into three double-cone structural sectors or sector devices 24, which are connected to the base element 22 via bending sections 23, by means of three radial planes extending from one another at 120 ° to the central axis A2. These sector devices 24 form in the closed state to each adjacent sector device 24 sealing edges 25.
- the double cone structure 26, 27 of the closed valve body 17 is movable by pulling the plunger 10 connected to the valve body into the valve seat, where the cone formed by the truncated cone portion 26 of this double cone structure 26, 27 also produces a sealing contact with the valve seat 15.
- the truncated cone section 26 of the double-cone structure 26, 27 hinged to the base element 22 forms a cone, by means of which the double-cone structure 26, 27 can be subjected to a radial force by pulling into the valve seat 15 and closed tightly, with a tight-fitting double-cone structure 26 at the same time , 27 is made in the valve seat 15.
- the coupling housing 1 of the coupling device may instead of an already in the manufacturing process curved portion include an angled or flexible portion that can be made for example as a hinge portion or by a flexible, eg corrugated tube-like portion.
- the clutch housing 1 is preferably made of a polymeric or metallic material, which is selected, among other things adapted to use conditions (temperature, mechanical loads) and media resistance.
- the pressure transmission device 10 can also have a tubular element through which it can flow, for example a plastic tube, which can optionally also have transversally guided incisions to increase flexibility, depending on the application requirements and specifications, which preferably converge towards the center line from one generating line or two mutually diametrically opposed generatrix lines and are preferably designed as V-shaped notches, whereby the flexibility can be considerably increased.
- a tubular element through which it can flow
- a plastic tube which can optionally also have transversally guided incisions to increase flexibility, depending on the application requirements and specifications, which preferably converge towards the center line from one generating line or two mutually diametrically opposed generatrix lines and are preferably designed as V-shaped notches, whereby the flexibility can be considerably increased.
- the V-shaped notches introduced on the inside of the curvature limit the bending radius in the minimum direction at the same time, because the notch flanks of the V-shaped sections limit the bending of the flexible tappet section to the curvature radius at which the notch flanks abut one another.
- a pressure transmission device 10 would also be a helical spring-like element, preferably made of a metallic or polymeric material, conceivable that have a very high flexibility and at the same time can transfer the pressure force effectively, when the turns are supported against each other by pressure.
- a helical spring-like element can act alone as a pressure transmission device 10 or in conjunction, for example, with an internal, eg tubular or profiled plunger element.
- a hose element acting as a pressure transmission device 10 for stabilizing spacer elements e.g. in the form of spaced-apart metallic rings which stabilize these hose elements and which, in a manner similar to the aforesaid V-shaped cuts, can limit the bend to the bend radius at which the metal rings abut each other on the inside of the bend.
- the abovementioned stop ring 9 is not mandatory in each case, but mostly advantageous and is used for wear protection and secure pressure transmission between conduit 2 and pressure transmission device 10. It should form the stop element 9 as safe as possible contact with the conduit and simultaneously the flow path from the conduit 2 in affect the flow channel 8 as little as possible. Expediently, the stop element 9 is also adapted to the construction of the pressure transmission device 10. This means that in the case of the above-described three-winged plunger, a stop device 9, which is likewise equipped with three radial wings or ribs and is surrounded in the circumferential direction by a cylindrical stabilizing section, could be useful.
- the stop device 9 may be provided with a large axial central opening, which is arranged with the hollow pressure transmission device 10 in alignment.
- the stop device 9 may be provided on the outer circumference in a similar manner additionally with sliding and / or guide sections.
- the coupling device it may be useful to replace the compression spring 14 by a tension spring, e.g. if the pressure transmission device 10 is provided exclusively for pressure transmission or unsuitable for transmitting tensile forces and therefore should not be used to retract the valve body 17 in the valve seat 15 or can.
- the coupling device does not terminate in a (terminal) valve section 18, but the valve device is arranged in the middle of a longer conduit device.
- a variant of the coupling device may be useful, in which the valve device is arranged spatially very far away from the connecting portion 4.
- the valve device is arranged spatially very far away from the connecting portion 4.
- tion equipped with such a coupling device in which the locking point displaced out of the engine compartment and arranged on the tank side, which may result in safety benefits in the event of an accident or engine room fire and space advantages for the construction of the valve unit.
- manufacture a clutch device with outsourced valve unit by the geometric design of clutch device and line course or the choice of material and optionally also predetermined breaking points, which performs a deformation-induced or temperature-induced self-closing in the event of an accident or engine room fire and the so the fuel supply stops.
- valve body 17 of the second embodiment is constructed and designed of the valve body 17 of the second embodiment, further variants are possible and useful, the most important examples of which are shown below with brief explanations:
- valve body 17 instead of a hollow valve body 17 as shown in the above embodiment, it may e.g. be useful or necessary for use in Hochdruckabsperr Anlagenen, the valve body 17 with massive sector devices 24, for. to equip a metallic material, so that in the closed state a large-area sealing between the sector devices 24 achieved and a high edge load of the sealing edges 25, as occurs in the case of a hollow sealing body 17 is avoided.
- valve body 17 depending on the purpose and design of the valve - different variants are conceivable.
- the valve body 17 may be expedient to provide the valve body 17 with a polyhedral structure, for example in order to fasten it by means of straight hinge elements 23 on the base body 22 of the valve unit, for which a double pyramid structure of two base-like three-dimensional simplicites or tetrahedrons is particularly recommended, since in this case the sector devices 24 have the best Double Doubletri mecanicseigenschaften and the number of hinges 23 is reduced.
- valve body 17 With regard to the sealing properties of the contact region between valve seat 15 and valve body 17, however, a circular contact is advantageous in the transverse sectional plane. This can be achieved by a valve body 17 with a double-cone structure 26,27 or by the transition of the valve body 17 in the axial direction in the transverse sectional plane of a polygonal cross-section (in the hinge area) in a circular cross-section (in the region of the sealing seat 15 of the valve body 17 in the valve seat 15) ,
- a valve body 17, which can be made of a polymeric material by injection molding in one piece together with the base member of the valve body 22 may be equipped with film hinges or bending sections 23, and already provided in the manufacturing process with a bias that opens the valve body 17 and thus prevents the sector devices 24 from remaining in the closed position after lifting the valve body 17 out of the valve seat 15.
- valve body 17 in the median sectional plane not linear-conical, but with a different curve, which, for example, different-shaped rotation body with non-double cone structure shaped with e.g. ellipsoidal, parabolic or hyperboloidal surfaces.
- a shaping is possible, e.g. in order to perform with a short stroke movement of the train-pressure actuator valve opening or valve closing, to increase the closing forces of the sector devices 24, or to facilitate the re-opening of the valve - depending on the formation of the contact angle between the valve body 17 and valve seat 15 - easier or to prevent.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2005/010141 WO2007033693A1 (de) | 2005-09-20 | 2005-09-20 | Kupplungseinrichtung zum verbinden von leitungseinrichtungen, vorzugsweise quick connector |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1926930A1 true EP1926930A1 (de) | 2008-06-04 |
EP1926930B1 EP1926930B1 (de) | 2009-04-29 |
Family
ID=36570502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05785255A Active EP1926930B1 (de) | 2005-09-20 | 2005-09-20 | Kupplungseinrichtung zum verbinden von leitungseinrichtungen, vorzugsweise quick connector |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100025983A1 (de) |
EP (1) | EP1926930B1 (de) |
AT (1) | ATE430281T1 (de) |
DE (1) | DE502005007218D1 (de) |
ES (1) | ES2323247T3 (de) |
WO (1) | WO2007033693A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1926929B1 (de) * | 2005-09-20 | 2009-02-25 | Veritas Ag | Ventilvorrichtung |
DE102010063587B4 (de) * | 2010-12-20 | 2018-03-15 | Aptar Radolfzell Gmbh | Austragvorrichtung für eine Flüssigkeit |
US9089857B2 (en) | 2011-09-29 | 2015-07-28 | Nelson Irrigation Corporation | Side load sprinkler nozzle system |
US9095859B2 (en) | 2012-06-01 | 2015-08-04 | Nelson Irrigation Corporation | Multi-nozzle shuttle for a sprinkler head |
US9534619B2 (en) | 2013-06-26 | 2017-01-03 | Nelson Irrigation Corporation | Sprinkler with multi-functional, side-load nozzle with nozzle storage clip and related tool |
US9283577B2 (en) | 2013-06-26 | 2016-03-15 | Nelson Irrigation Corporation | Sprinkler with multi-functional, side-load nozzle |
US9403177B2 (en) | 2013-06-26 | 2016-08-02 | Nelson Irrigation Corporation | Sprinkler with multi-functional, side-load nozzle |
US9387494B2 (en) | 2013-10-10 | 2016-07-12 | Nelson Irrigation Corporation | Sprinkler with multi-functional, side-load nozzle insert with ball-type valve |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1513481A (en) * | 1922-12-06 | 1924-10-28 | Martin H Brede | Gasoline-supply lock |
US2633141A (en) * | 1947-12-13 | 1953-03-31 | Sloan Valve Co | Flush valve operating arrangement |
US2955798A (en) * | 1958-07-31 | 1960-10-11 | Charles B Sights | Compact low-impedance tubular valve |
US4067540A (en) * | 1976-04-07 | 1978-01-10 | Slade Edward C | Segmented plug valve |
US4174725A (en) * | 1977-07-18 | 1979-11-20 | Allen LaPere | Antitamper arrangement for a locking fuel shutoff valve |
US4178638A (en) * | 1977-08-01 | 1979-12-18 | Louis C. Meyer | Split leaflet check valves |
US4332273A (en) * | 1979-12-10 | 1982-06-01 | Boyce Harold L | Leakproof refrigerant connector |
US4807658A (en) * | 1988-05-02 | 1989-02-28 | Patti Anthony J | Flexible adjustable-core air hose |
DE69017176T2 (de) * | 1989-08-03 | 1995-06-14 | Inax Corp | Mischhahn für warmes/kaltes wasser und seine befestigungsanordnung. |
US5485982A (en) | 1994-09-16 | 1996-01-23 | Bundy Corporation | Quick connector with tube activated check valve |
US5823508A (en) * | 1996-12-20 | 1998-10-20 | Itt Automotive, Inc. | One piece quick connect |
DE10048502C1 (de) * | 2000-09-29 | 2002-04-04 | Raymond A & Cie | Steckverbindung mit Auslaufsperre |
EP1926929B1 (de) * | 2005-09-20 | 2009-02-25 | Veritas Ag | Ventilvorrichtung |
-
2005
- 2005-09-20 ES ES05785255T patent/ES2323247T3/es active Active
- 2005-09-20 WO PCT/EP2005/010141 patent/WO2007033693A1/de active Application Filing
- 2005-09-20 EP EP05785255A patent/EP1926930B1/de active Active
- 2005-09-20 AT AT05785255T patent/ATE430281T1/de not_active IP Right Cessation
- 2005-09-20 US US11/992,318 patent/US20100025983A1/en not_active Abandoned
- 2005-09-20 DE DE502005007218T patent/DE502005007218D1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2007033693A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1926930B1 (de) | 2009-04-29 |
US20100025983A1 (en) | 2010-02-04 |
WO2007033693A1 (de) | 2007-03-29 |
ATE430281T1 (de) | 2009-05-15 |
ES2323247T3 (es) | 2009-07-09 |
DE502005007218D1 (de) | 2009-06-10 |
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